No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory!

Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to a book signing. Cam is waiting in line for a book "pawtograph" from famous TV dog Poochie when he mysteriously disappears and is replaced with an imposter! Can Cam find the real Poochie?
"What wrongdoer is any match for Cam Jansen, the girl with the amazing photographic memory?"
( Booklist)
"An uncluttered plot, a clever heroine, clear language, and a dash of humor make for a zestful mystery."(School Library Journal)